Possible risk factors of osteoporosis at the femoral neck. Occurrence and logistic regression analysis
| Occurrence (%) | Logistic regression analysis | |||||||
|---|---|---|---|---|---|---|---|---|
| T⩽−2.5 (n=56) | T>−2.5 (n=324) | p Value | β | SE | OR | CI | ||
| Age ⩾60 | 78.6 | 34.0 | <0.001 | 2.17 | 0.42 | 8.80 | 3.88 to 19.98 | |
| BMI5-150 2 lowest quartiles | 66.1 | 47.5 | 0.01 | 1.76 | 0.41 | 5.82 | 2.60 to 13.00 | |
| Deformed joints | 57.4 | 33.0 | 0.001 | 0.67 | 0.37 | 1.96 | 0.95 to 4.02 | |
| MHAQ5-150⩾1.5 | 60.4 | 48.7 | 0.14 | −0.10 | 0.40 | 0.91 | 0.41 to 2.00 | |
| DAS5-150 2 highest quartiles | 70.6 | 47.2 | 0.002 | 0.37 | 0.42 | 1.44 | 0.64 to 3.27 | |
| Current use of corticosteroids | 66.7 | 34.9 | 0.001 | 1.12 | 0.38 | 3.05 | 1.44 to 6.48 | |
| Non-vertebral fracture | 44.4 | 16.0 | <0.001 | 1.29 | 0.39 | 3.63 | 1.71 to 7.73 | |
| Constant | −5.46 | 0.63 | ||||||
| Sensitivity/specificity (%) | 68/90 | |||||||
↵5-150 BMI = body mass index; MHAQ = Modified Health Assessment Questionnaire; DAS = disease activity score.